Blackberry Farm Griddle Cakes

INGREDIENTS

• 1 large egg
• 2 buttermilk
• 1/4 pure maple syrup
• 1 gluten-free oat flour
• 2/3 yellow cornmeal
• 1/3 brown rice flour
• 1/4 buckwheat flour
• 1 baking powder
• 1 baking soda
• 1 kosher salt
• 1/4 (1/2 stick) unsalted butter, melted
• Vegetable oil (for skillet)